AMD-K6-2E Datasheet, PDF (99/332 Pages) Advanced Micro Devices – AMD-K6™-2E Embedded Processor

22529B/0—January 2000
Preliminary Information
AMD-K6™-2E Processor Data Sheet
Table 14. MMX™ Instructions (continued)
Instruction Mnemonic
PSUBUSW mmreg1, mmreg2
PSUBUSW mmreg, mem64
PSUBW mmreg1, mmreg2
PSUBW mmreg, mem64
PUNPCKHBW mmreg1, mmreg2
PUNPCKHBW mmreg, mem64
PUNPCKHDQ mmreg1, mmreg2
PUNPCKHDQ mmreg, mem64
PUNPCKHWD mmreg1, mmreg2
PUNPCKHWD mmreg, mem64
PUNPCKLBW mmreg1, mmreg2
PUNPCKLBW mmreg, mem64
PUNPCKLDQ mmreg1, mmreg2
PUNPCKLDQ mmreg, mem64
PUNPCKLWD mmreg1, mmreg2
PUNPCKLWD mmreg, mem64
PXOR mmreg1, mmreg2
PXOR mmreg, mem64
Prefix First
Byte(s) Byte
0Fh
D9h
0Fh
D9h
0Fh
F9h
0Fh
F9h
0Fh
68h
0Fh
68h
0Fh
6Ah
0Fh
6Ah
0Fh
69h
0Fh
69h
0Fh
60h
0Fh
60h
0Fh
62h
0Fh
62h
0Fh
61h
0Fh
61h
0Fh
EFh
0Fh
EFh
Notes:
1. Bits 2, 1, and 0 of the modR/M byte select the integer register.
ModR/M
Byte
11-xxx-xxx
mm-xxx-xxx
11-xxx-xxx
mm-xxx-xxx
11-xxx-xxx
mm-xxx-xxx
11-xxx-xxx
mm-xxx-xxx
11-xxx-xxx
mm-xxx-xxx
11-xxx-xxx
mm-xxx-xxx
11-xxx-xxx
mm-xxx-xxx
11-xxx-xxx
mm-xxx-xxx
11-xxx-xxx
mm-xxx-xxx
Decode RISC86
Type Operations
short meu
short mload, meu
short meu
short mload, meu
short meu
short mload, meu
short meu
short mload, meu
short meu
short mload, meu
short meu
short mload, meu
short meu
short mload, meu
short meu
short mload, meu
short meu
short mload, meu
Table 15. 3DNow!™ Instructions
Instruction Mnemonic
FEMMS
PAVGUSB mmreg1, mmreg2
PAVGUSB mmreg, mem64
PF2ID mmreg1, mmreg2
PF2ID mmreg, mem64
PFACC mmreg1, mmreg2
PFACC mmreg, mem64
PFADD mmreg1, mmreg2
PFADD mmreg, mem64
PFCMPEQ mmreg1, mmreg2
PFCMPEQ mmreg, mem64
Prefix
Byte(s)
0Fh
0Fh, 0Fh
0Fh, 0Fh
0Fh, 0Fh
0Fh, 0Fh
0Fh, 0Fh
0Fh, 0Fh
0Fh, 0Fh
0Fh, 0Fh
0Fh, 0Fh
0Fh, 0Fh
Opcode
Byte
0Eh
BFh
BFh
1Dh
1Dh
AEh
AEh
9Eh
9Eh
B0h
B0h
ModR/M
Byte
11-xxx-xxx
mm-xxx-xxx
11-xxx-xxx
mm-xxx-xxx
11-xxx-xxx
mm-xxx-xxx
11-xxx-xxx
mm-xxx-xxx
11-xxx-xxx
mm-xxx-xxx
Decode
Type
vector
short
short
short
short
short
short
short
short
short
short
RISC86
Operations
meu
mload, meu
meu
mload, meu
meu
mload, meu
meu
mload, meu
meu
mload, meu
Chapter 3
Software Environment
81